How to find the median
What is the median of the following group of numbers?
14, 12, 20, 22, 14, 16
How much sandwich is left?
Joe gave 1/2 of his sandwich to Ed at lunchtime, and ate 1/3 of it himself. How much of the sandwich did he have left?
My calculator is wrong!
When I want to square -6, why does my calculator say it's -36, when I know it is positive 36?
Percent of novel read
The novel that Lynn is reading contains 435 pages. So far, she has read 157 pages. Approximately what percent of the novel has she read?
A researcher has a testing pot used for testing seeds. The perimeter of the plot is 322m. The length of the plot is 25m more than the width. Find the dimensions of the plot.
Daniel is 28 years younger than Kevin. Kevin and Daniel first met 3 years ago. Eight years ago, Kevin was 5 times as old as Daniel. How old is Daniel now?
Solve the equation for y
Solve 7 - 5(y - 2) = 1 + 4y for y.
In case you missed it: